Cargando…

Connecting shear localization with the long-range correlated polarized stress fields in granular materials

One long-lasting puzzle in amorphous solids is shear localization, where local plastic deformation involves cooperative particle rearrangements in small regions of a few inter-particle distances, self-organizing into shear bands and eventually leading to the material failure. Understanding the conne...

Descripción completa

Detalles Bibliográficos
Autores principales: Wang, Yinqiao, Wang, Yujie, Zhang, Jie
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7455740/
https://www.ncbi.nlm.nih.gov/pubmed/32859907
http://dx.doi.org/10.1038/s41467-020-18217-x
_version_ 1783575678557356032
author Wang, Yinqiao
Wang, Yujie
Zhang, Jie
author_facet Wang, Yinqiao
Wang, Yujie
Zhang, Jie
author_sort Wang, Yinqiao
collection PubMed
description One long-lasting puzzle in amorphous solids is shear localization, where local plastic deformation involves cooperative particle rearrangements in small regions of a few inter-particle distances, self-organizing into shear bands and eventually leading to the material failure. Understanding the connection between the structure and dynamics of amorphous solids is essential in physics, material sciences, geotechnical and civil engineering, and geophysics. Here we show a deep connection between shear localization and the intrinsic structures of internal stresses in an isotropically jammed granular material subject to shear. Specifically, we find strong (anti)correlations between the micro shear bands and two polarized stress fields along two directions of maximal shear. By exploring the tensorial characteristics and the rotational symmetry of force network, we reveal that such profound connection is a result of symmetry breaking by shear. Finally, we provide the solid experimental evidence of long-range correlated inherent shear stress in an isotropically jammed granular system.
format Online
Article
Text
id pubmed-7455740
institution National Center for Biotechnology Information
language English
publishDate 2020
publisher Nature Publishing Group UK
record_format MEDLINE/PubMed
spelling pubmed-74557402020-09-04 Connecting shear localization with the long-range correlated polarized stress fields in granular materials Wang, Yinqiao Wang, Yujie Zhang, Jie Nat Commun Article One long-lasting puzzle in amorphous solids is shear localization, where local plastic deformation involves cooperative particle rearrangements in small regions of a few inter-particle distances, self-organizing into shear bands and eventually leading to the material failure. Understanding the connection between the structure and dynamics of amorphous solids is essential in physics, material sciences, geotechnical and civil engineering, and geophysics. Here we show a deep connection between shear localization and the intrinsic structures of internal stresses in an isotropically jammed granular material subject to shear. Specifically, we find strong (anti)correlations between the micro shear bands and two polarized stress fields along two directions of maximal shear. By exploring the tensorial characteristics and the rotational symmetry of force network, we reveal that such profound connection is a result of symmetry breaking by shear. Finally, we provide the solid experimental evidence of long-range correlated inherent shear stress in an isotropically jammed granular system. Nature Publishing Group UK 2020-08-28 /pmc/articles/PMC7455740/ /pubmed/32859907 http://dx.doi.org/10.1038/s41467-020-18217-x Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Wang, Yinqiao
Wang, Yujie
Zhang, Jie
Connecting shear localization with the long-range correlated polarized stress fields in granular materials
title Connecting shear localization with the long-range correlated polarized stress fields in granular materials
title_full Connecting shear localization with the long-range correlated polarized stress fields in granular materials
title_fullStr Connecting shear localization with the long-range correlated polarized stress fields in granular materials
title_full_unstemmed Connecting shear localization with the long-range correlated polarized stress fields in granular materials
title_short Connecting shear localization with the long-range correlated polarized stress fields in granular materials
title_sort connecting shear localization with the long-range correlated polarized stress fields in granular materials
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7455740/
https://www.ncbi.nlm.nih.gov/pubmed/32859907
http://dx.doi.org/10.1038/s41467-020-18217-x
work_keys_str_mv AT wangyinqiao connectingshearlocalizationwiththelongrangecorrelatedpolarizedstressfieldsingranularmaterials
AT wangyujie connectingshearlocalizationwiththelongrangecorrelatedpolarizedstressfieldsingranularmaterials
AT zhangjie connectingshearlocalizationwiththelongrangecorrelatedpolarizedstressfieldsingranularmaterials